The current flows through the cable of the plug, to whatever wants to be turned on.
With the switch in the on position the receptacle is energized. With the switch in the off position the receptacle is de-energized.
This question may be asking if it is safe to plug things into mains wall sockets if they have been left switched on with nothing plugged-in, and if it is safer to plug things in only after the sockets have been switched off? If, and only if, that is the meaning of this question, the answer is probably: It should not be dangerous to plug something into a switched-on socket but it is always a good idea - and safer - to switch off any socket before you plug anything into it. +++ The hazard is not in the plugging-in, but may arise from the appliance itself, if it starts unexpectedly.
No, but they represent a shock hazard.
An extension lead has a plug on one end and a few sockets on the other end. They are used to reach appliances that are far away from the main sockets. It is very safe to use an extension cord as long as you don't overload them.
"Main sockets" is referring to fuse sockets, particularly the main fuse sockets for a fuse panel.
With the switch in the on position the receptacle is energized. With the switch in the off position the receptacle is de-energized.
Dried Grapes were used to plug the sockets.
the circuit breaker will trip or fuse will blow to open the circuit.
Dried Grapes were used to plug the sockets.
Dried Grapes were used to plug the sockets.
If you don't have enough ethernet sockets in a router, you can plug a switch or a hub into the socket. The hub or switch will supply support for additional ethernet cables.
what is the difference between plug ang socket?
This question may be asking if it is safe to plug things into mains wall sockets if they have been left switched on with nothing plugged-in, and if it is safer to plug things in only after the sockets have been switched off? If, and only if, that is the meaning of this question, the answer is probably: It should not be dangerous to plug something into a switched-on socket but it is always a good idea - and safer - to switch off any socket before you plug anything into it. +++ The hazard is not in the plugging-in, but may arise from the appliance itself, if it starts unexpectedly.
A universal plug.
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You can plug US appliances into plug sockets in the US. You can also plug them into sockets in Mexico, Canada and several other countries that use 110 to 120 volts mains electricity.
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